990 Silver is marked S990, it means 990 parts per 1000 of pure silver. 990 silver is regarded as pure silver.


Sterling silver is marked S925, which is 925 parts per 1000 silver.

 

what is 990 silver

 

-------> More Products | Buying from Manufacturer - Prjewel.com

 

-------> More Products | Buying from Manufacturer - Prjewel.com